As of late 2024 and moving into 2025, the melonDS team (led by Arisotura and contributors) has made DSi emulation nearly flawless. Recent improvements include:

To use MelonDS, you need to have a nand.bin file. Without it, the emulator will not be able to function properly. The nand.bin file can be obtained from a real NDS console by dumping its NAND memory using specialized tools.

: It allows you to boot into the full DSi Home Menu rather than launching games directly.

The emulation scene is moving rapidly. Recent updates to MelonDS (as of 2024–2025) have dramatically improved DSi mode, including: